One Stop - Infrastructure & Network Engineer

Job Description

We�re looking for an Infrastructure & Network Engineer to join our Technology team supporting One Stop�s core IT infrastructure across our datacentre and cloud environments.

This is a hands-on, technical role supporting both day-to-day operations and delivering infrastructure projects across networking, servers, and virtualisation platforms.

You�ll work closely with the infrastructure team to maintain a reliable, secure, and scalable environment supporting our stores, distribution sites, and support centre.

• Support and maintain core infrastructure: Windows Server, Active Directory, DNS, DHCP
• Manage Microsoft 365 / Entra ID environments
• Maintain server hardware (Dell, SuperMicro) and storage (SAN, NAS)
• Investigate and resolve incidents and escalations
• Work with internal teams and third parties to troubleshoot issues
• Support network infrastructure (Cisco switching � Core, Access, Datacentre)
• Maintain firewalls and network security controls
• Assist with firmware upgrades and network changes
• Troubleshoot connectivity issues
• Support Nutanix and Hyper-V platforms
• Assist with patching, upgrades, and platform maintenance
• Monitor performance and capacity
• Ensure platform availability
• Support delivery of infrastructure projects (upgrades, migrations, new tech)
• Assist with network refreshes and platform implementations
• Work alongside Infrastructure Manager and Solutions Architect
• Ensure minimal disruption during delivery
• Support patching and vulnerability remediation
• Maintain secure, best-practice-aligned systems
• Assist with security alerts and risk response
• Collaborate with Cyber Security team
• Follow ITSM processes (Incident, Change, Problem Management)
• Participate in out-of-hours support and maintenance
• Maintain clear system and change documentation

• 3+ years� experience in an infrastructure or technical support role
• Strong knowledge of Windows Server, Active Directory, DNS, DHCP, and Azure / Entra
• Solid understanding of networking fundamentals (switching, VLANs, basic routing)
• Experience supporting live production environments
• Strong troubleshooting and problem-solving skills
• Full UK driving licence and access to own transport (travel to sites required)
• Experience with Cisco networking (switching, firewalls)
• Knowledge of virtualisation platforms (Nutanix, Hyper-V)
• Experience with Microsoft Azure or hybrid environments
• Familiarity with endpoint management tools (SCCM, Intune, ManageEngine)
• Exposure to infrastructure projects or migrations

Qualifications

• Relevant IT degree or equivalent experience
• Industry certifications (e.g. Cisco CCNA, Nutanix, Microsoft) are advantageous

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